Enginemen's Operating Manual (PDF). Provided by Don Thompson.
This model won the "S Scale Locomotive of the Year" in 2001, as voted on by the readers of Model Railroader magazine.
The first run of this locomotive did not have the EMD builders plate on them. They were added with the second run.
This circuit board is for the AC or DC powered, non-sound version (part #662-X002R1).

Self-tapping screw for contact strip.

This document describes how the SoundTraxx Tsunami (first-generation) is installed in an SW1 locomotive, provided by Don Thompson: Tsunami Installation Guide.
Also provided by Don Thompson are the CV settings with which the models were configured when they were shipped from S-Helper Service: Tsunami Configuration Variables (CV) Settings (PDF).
An external link about Installing a Lenz Gold & SoundTraxx DSX Decoder.
The bell sprue that S-Helper Service sold to Dave's Twains & Twacks, if you are looking for one of these.

Shane Lambert reported that he was able to solve a cracked universal gear issue by replacing it with this NWSL part: part #488-6
